Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 10.3, Problem 1COMQ
The chromosomes of eukaryotes typically contain
a. a few hundred to several thousand different genes.
b. multiple origins of replication.
c. a centromere.
d. telomeres at their ends.
e. all of the above.
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Chapter 10 Solutions
Genetics: Analysis and Principles
Ch. 10.1 - 1. A bacterial chromosome typically contains
a. a...Ch. 10.2 - Mechanisms that make the bacterial chromosome more...Ch. 10.2 - 2. Negative supercoiling may enhance activities...Ch. 10.2 - 3. DNA gyrase
a. promotes negative supercoiling....Ch. 10.3 - 1. The chromosomes of eukaryotes typically contain...Ch. 10.4 - Which of the following is an example of a...Ch. 10.5 - What are the components of a single nucleosome? a....Ch. 10.5 - 2. In Noll’s experiment to test the...Ch. 10.5 - Prob. 3COMQCh. 10.5 - Prob. 4COMQ
Ch. 10.6 - Prob. 1COMQCh. 10.6 - 2. The role of cohesin is to
a. make chromosomes...Ch. 10 - Prob. 1CONQCh. 10 - Prob. 2CONQCh. 10 - 3. Describe the mechanisms by which bacterial DNA...Ch. 10 - Why is DNA supercoiling called supercoiling rather...Ch. 10 - Prob. 5CONQCh. 10 - Prob. 6CONQCh. 10 - Prob. 7CONQCh. 10 - Prob. 8CONQCh. 10 - Prob. 9CONQCh. 10 - 10. What is the function of a centromere? At what...Ch. 10 - Prob. 11CONQCh. 10 - 12. Describe the structures of a nucleosome and a...Ch. 10 - Beginning with the G1 phase of the cell cycle,...Ch. 10 - Draw a picture depicting the binding between the...Ch. 10 - 15. Compare heterochromatin and euchromatin. What...Ch. 10 - 16. Compare the structure and cell localization of...Ch. 10 - 17. What types of genetic activities occur during...Ch. 10 - Lets assume the linker region of DNA averages 54bp...Ch. 10 - 19. In Figure 10.12, what are we looking at in...Ch. 10 - 20. What are the roles of the core histone...Ch. 10 - A typical eukaryotic chromosome found in humans...Ch. 10 - Which of the following terms should not be used to...Ch. 10 - Discuss the differences between the compaction...Ch. 10 - 24. What is an SMC complex? Describe two...Ch. 10 - Two circular DNA molecules, which we can call...Ch. 10 - 2. Let’s suppose you have isolated DNA from a cell...Ch. 10 - 3. We seem to know more about the structure of...Ch. 10 - In Nolls experiment of Figure 10.11, explain where...Ch. 10 - When chromatin is treated with a salt solution of...Ch. 10 - 6. Let’s suppose you have isolated chromatin from...Ch. 10 - If you were given a sample of chromosomal DNA and...Ch. 10 - Consider how histone proteins bind to DNA and then...Ch. 10 - In Chapter 23, the technique of fluorescence in...Ch. 10 - Bacterial and eukaryotic chromosomes are very...Ch. 10 - The prevalence of highly repetitive sequences...Ch. 10 - Discuss and make a list of the similarities and...
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- For each species, all ______ in the complete set of chromosomes is/are the _______. a. genomes; phenotype c. mRNA; start of cDNA b. DNA; genome d. cDNA; start of mRNAarrow_forwardIn eukaryotic chromosomes, DNA wraps around_____ . a. histone proteins d. centromeres b. sister chromatids e. nucleosomes c. the double helix f. mutationsarrow_forwardDefine the following terms: a. molecular biology b. genetics c. replication d. transcription e. transcriptomearrow_forward
- Which statement is false? a) Mitochondria carry DNA in the form of a closed circle. b) Chloroplasts carry DNA in the form of a closed circle. c) A nucleus can possess DNA in the form of a linear chromosome. d) The nucleoid region carries DNA in the form of a closed circle. e) None of the above statements is false.arrow_forwardwhen a cell to divide, its DNA must be replicated (copied). a.List the most important participating components and their functions in replication b.why is it important that the replication goes right and that relatively few mutations occur during the replication? c.Will the offspring of the individual who received a mutation inherit the mutationarrow_forwardin mammals, telomerase: a. contains an RNA template b. is active in all somatic cells c. adds bases to the centromeres of chromosomes d. all the above are truearrow_forward
- The form of DNA that contains genes that are actively beingtranscribed is calleda. histones.b. telomeres.c. heterochromatin.d. euchromatin.arrow_forwardConsider Figure 7, which illustrates a point in DNA synthesis for one end of a chromosome, after the lengths of the chromosomes have been replicated, but before telomerase has functioned. (The other end of the chromosome is not shown. A and C mark the midpoint of the chromosome). Each long rectangle represents one strand of DNA. 1. State the locations below as the 5’ or 3’ ends. Location labeled B is: 5’ 3’ Not possible to determine and I have answered below. Location labeled D is: 5’ 3’ None of the above and I have explained my reasoning here.arrow_forwardWhich of the following statements is false? a) the bacterial chromosome is usually circular b) the bacterial chromosome has a single origin of replication c) the bacterial chromosome consists of a single molecule of DNA d) plasmids are small DNA molecules that occur in bacteria but are not essential - for normal function. e) Most bacterial genomes consist of fewer than 1,000 genesarrow_forward
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